Question about SanDisk 2GB Cruzer Micro SDCZ62048A10 Hard Drive

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The USB connector broke!

I had my flash drive (a 2gig Micro-Cruzer U3 from SD) in our desktop and was swiveling in my swivel chair when my knee hit the flash drive and broke off the usb connector from the wires that run from the memory to the connector. I have many school files on it and desparately need them. And before you say "Back them up next time!," I was in the act of backing them up when I accidentally broke it. Please help me!!!

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Re: The USB connector broke!

I did the same to the cruzer as tedthehobit, and here's how I fixed it.
1) Split open enclosure with screwdriver alone edge. The small key-ring will come off when enclosure is separated. (Safety glasses, please). Circuit board is attached to plastic base--the piece for sliding the connector.
2) To see amount of damage and trace connection, remove the plastic as follows. Two notches are on each size at socket end. The other end has plastic bar across on-top. Use needle-nose piler to chew away top of notches, slowly and carefully to avoid stressing board and damaging surface. This makes it easier to move the notches to the side to lift the board up and out.
3) Look at pads where socket was attached. Fairly clean break, surrounding circuit trace and pads are intact. So, it is worth to continue.
4) The socket connection side has no large pads to solder wiring. The D+ and D- traces were lifted off slightly, but too thin to attach wire. Look at the other side.
5) Use flashlight as backlight, and follow traces from connector pads to ends of closest chips where it is big enough for soldering. [I have jpg of connection points--where to post it?]
6) Use wire-warp (hair-thin and pre-stripped) wire and small-tipped solder iron and work under bright light. Tin wire with traces of solder and remove excesses solder from iron tip. Connect wire to chip, melting and using the solder already there.
7) Solder other ends of wire to the correct tabs of the usb socket.
8) Plug usb socket into a socket extender to plug into PC. Extender is optional, but it will help to deteach from PC later.
9) Did not work the first time because 5V-line solder at circuit was not good (eventually came off). Re-solder. Plug back into PC, and cruze lit up and PC can access the file.

Posted on May 02, 2008

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Re: The USB connector broke!


There are only four (4) connection points to the USB: +5VCC, Data -, Data + and GND. This link provides illustrations and some explanation. You need to solder back the sheared off connector back to the wires or the PCB. If for some reason the connector can no longer be soldered back, try using a USB cable with the small end cut off and the wires exposed/stripped. You need to splice/solder the expose 4 wires of the cable to the appropriate connection points/wire of the flashdrive. Alternately, if you can get defective flashdrives or WiFi dongles, their USB connector can also be removed and used in yours.
This of course would require that you be a bit familiar with electronic components/circuitry, use of a DVM and a low wattage soldering iron. If you are successful but would have difficulty making your PC recognize/access the repaired flashdrive, you may need to do a onetime data recovery to be able to salvage your files and copy to your HD or another flashdrive.

Hope that this be of help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Posted on Jan 16, 2008

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